diff --git a/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceAdminService.java b/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceAdminService.java
index b385dc01..b720fe7d 100644
--- a/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceAdminService.java
+++ b/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceAdminService.java
@@ -33,7 +33,7 @@ public class AttendanceAdminService {
 
     @Transactional
     public void addAttendance(Session session, Location location, LocalTime attendanceDeadline, LocalTime lateDeadline) {
-        AttendanceUtil.validateAttendanceTime(attendanceDeadline, lateDeadline);
+        AttendanceUtil.validateAttendanceTime(session.getSessionDateTime(), attendanceDeadline, lateDeadline);
 
         Attendance attendance = Attendance.builder()
                 .session(session)
@@ -58,7 +58,7 @@ public void updateAttendanceByAttendanceId(UpdateAttendanceRequest request) {
     @Transactional
     public void updateAttendance(Session attendanceSession, Attendance attendance,
                                  AttendanceDeadLineDto attendanceDeadLine, Location location) {
-        AttendanceUtil.validateAttendanceTime(attendanceDeadLine.attendanceDeadLine(),
+        AttendanceUtil.validateAttendanceTime(attendanceSession.getSessionDateTime(), attendanceDeadLine.attendanceDeadLine(),
                 attendanceDeadLine.lateDeadLine());
 
         // 세션 날짜가 존재하지 않는 경우 예외 발생
diff --git a/src/main/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtil.java b/src/main/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtil.java
index ed63bac5..7ef9e9a5 100644
--- a/src/main/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtil.java
+++ b/src/main/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtil.java
@@ -47,17 +47,13 @@ public static AttendanceOpenStatus getAttendanceOpenStatus(LocalDateTime session
         return AttendanceOpenStatus.ABSENT;
     }
 
-    public static void validateAttendanceTime(LocalTime attendDeadLine, LocalTime lateDeadLine) {
-        if (!DeadLine.ATTENDANCE_START_TIME.getTime().isBefore(attendDeadLine)) {
+    public static void validateAttendanceTime(LocalDateTime sessionStartTime, LocalTime attendDeadLine, LocalTime lateDeadLine) {
+        if (!sessionStartTime.toLocalTime().isBefore(attendDeadLine)) {
             throw new AppException(ErrorCode.INVALID_ATTEND_TIME);
         }
 
         if (!attendDeadLine.isBefore(lateDeadLine)) {
             throw new AppException(ErrorCode.INVALID_ATTEND_TIME);
         }
-
-        if (!lateDeadLine.isBefore(DeadLine.ATTENDANCE_END_TIME.getTime())) {
-            throw new AppException(ErrorCode.INVALID_ATTEND_TIME);
-        }
     }
 }
diff --git a/src/test/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtilTest.java b/src/test/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtilTest.java
index 9f0077d8..d0a154be 100644
--- a/src/test/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtilTest.java
+++ b/src/test/java/org/cotato/csquiz/domain/attendance/util/AttendanceUtilTest.java
@@ -60,11 +60,12 @@ class AttendanceUtilTest {
     @Test
     void 지각마감이_세션시작보다_빠를_수_없다() {
         //given
-        LocalTime attendDeadline = LocalTime.of(18, 40, 0);
+        LocalDateTime sessionStartTime = LocalDateTime.of(LocalDate.now(), LocalTime.of(15, 0));
+        LocalTime attendDeadline = LocalTime.of(19, 40, 0);
         LocalTime lateDeadline = LocalTime.of(19, 20, 0);
 
         //when, then
-        assertThatThrownBy(() -> AttendanceUtil.validateAttendanceTime(attendDeadline, lateDeadline))
+        assertThatThrownBy(() -> AttendanceUtil.validateAttendanceTime(sessionStartTime, attendDeadline, lateDeadline))
                 .isInstanceOf(AppException.class)
                 .extracting("errorCode")
                 .isEqualTo(ErrorCode.INVALID_ATTEND_TIME);
@@ -74,25 +75,12 @@ class AttendanceUtilTest {
     @Test
     void 지각마감보다_출석마감이_빠르다() {
         //given
+        LocalDateTime sessionStartTime = LocalDateTime.of(LocalDate.now(), LocalTime.of(15, 0));
         LocalTime attendDeadline = LocalTime.of(19, 40, 0);
         LocalTime lateDeadline = LocalTime.of(19, 20, 0);
 
         //when, then
-        assertThatThrownBy(() -> AttendanceUtil.validateAttendanceTime(attendDeadline, lateDeadline))
-                .isInstanceOf(AppException.class)
-                .extracting("errorCode")
-                .isEqualTo(ErrorCode.INVALID_ATTEND_TIME);
-    }
-
-    @DisplayName(value = "지각 마감이 세션 종료보다 늦으면 예외를 발생한다.")
-    @Test
-    void 지각마감시간_검증_기능() {
-        //given
-        LocalTime attendDeadline = LocalTime.of(19, 40, 0);
-        LocalTime lateDeadline = LocalTime.of(20, 20, 0);
-
-        //when, then
-        assertThatThrownBy(() -> AttendanceUtil.validateAttendanceTime(attendDeadline, lateDeadline))
+        assertThatThrownBy(() -> AttendanceUtil.validateAttendanceTime(sessionStartTime, attendDeadline, lateDeadline))
                 .isInstanceOf(AppException.class)
                 .extracting("errorCode")
                 .isEqualTo(ErrorCode.INVALID_ATTEND_TIME);